DuckCorp Dico

Found one definition

1.                 From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   Kallus… /kˈalʊs/ <adj>
    [med.] callous <adj>, calloused/caloused <adj> [Am.] , callused <adj>, tylotic <adj>
      Synonyms: verhärtet, schwielig, kallös
    see: kallöses Geschwür